2015 Vol. 41, No. 11

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Volume 41 Issue112015
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Trajectory linearization control based tracking guidance design for entry flight
SHEN Zuojun, ZHU Guodong
2015, 41(11): 1975-1982. doi: 10.13700/j.bh.1001-5965.2014.0424
Abstract:
A novel use of trajectory linearization control (TLC) method was introduced in the guidance law design for hypersonic vehicle entry flight. By exploiting the inherent characteristics of time scale separation of entry vehicle dynamics, altitude and velocity could be controlled separately via outer an...
Multi-mode vibration suppression of clamped plates based on piezoelectric networks
LI Lin, LI Jun, YI Kaijun
2015, 41(11): 1983-1993. doi: 10.13700/j.bh.1001-5965.2014.0703
Abstract:
The exact solutions for transverse free vibrations of a clamped plate were adopted as the modal coordinates to solve the given electromechanical coupled kinetic equations of clamped piezo electro mechanical-plate in modal space. After the computational analysis was conducted for harmonic response of...
An UAV air-combat decision expert system based on receding horizon control
FU Li, XIE Fuhuai, MENG Guanglei, WANG Dongzheng
2015, 41(11): 1994-1999. doi: 10.13700/j.bh.1001-5965.2014.0726
Abstract:
Aiming at the poor adaptability of expert system in air combat, a maneuvering decision algorithm based on the receding horizon control (RHC) method was proposed to improve the air combat maneuvering decision-making expert system. Firstly, the optimal control problem was systematically analyzed in th...
Two dimensional dynamics of continuous cislunar payload transfer system considering structural deviation effect
QI Naiming, YANG Yong, HUANG Panxing, SUN Kang, HAN Bing
2015, 41(11): 2000-2009. doi: 10.13700/j.bh.1001-5965.2014.0730
Abstract:
Based on the motorized momentum exchange tether (MMET), with the principle of momentum exchange and by considering the structural deviation (including the tether length deviation and payload mass deviation), the two dimensional error dynamics of continuous cislunar payloads transferring system (CCPT...
Vehicle height adjustment of closed-loop air circuit laterally interconnected air suspension system
JIANG Hong, YANG Yongfu, YU Pengfei, XU Xing, LI Mei
2015, 41(11): 2010-2016. doi: 10.13700/j.bh.1001-5965.2014.0759
Abstract:
In order to further improve the dynamic and energy-economic performance of air suspension, a closed-loop air circuit laterally interconnected air suspension structure which combines the advantages of both interconnected air suspension system and closed-loop air circuit air suspension height control ...
Image-based underwater 3D reconstruction with single viewpoint adjustment camera model
WEI Yingmei, KANG Lai
2015, 41(11): 2017-2022. doi: 10.13700/j.bh.1001-5965.2015.0059
Abstract:
In underwater imaging, the light ray associated with each scene point goes through different media with different refractive indices, which introduces refractive distortion in underwater images. Such distortion reduces the accuracy of image-based 3D reconstruction based on traditional single viewpoi...
An LCP method for dynamics of planar-motion rigid-body with non-symmetric friction
WANG Xiaojun, WANG Qi
2015, 41(11): 2023-2028. doi: 10.13700/j.bh.1001-5965.2014.0765
Abstract:
A modeling and numerical calculation method for the dynamics of the rigid-body in planar motion with contact, impact, symmetric and non-symmetric Coulomb's dry friction was presented based on the theory of contact mechanics and the arithmetic of linear complementarity problem (LCP). The local deform...
Effect of Zr content on properties of Ti-Zr-Cu-Ni filler metal and its brazed joint
GUO Wei, QI Dan, YANG Jianjun, LI Fei, HUA Yongping, YU Wenjun
2015, 41(11): 2029-2035. doi: 10.13700/j.bh.1001-5965.2014.0774
Abstract:
Four kinds of titanium-based filler metals, Ti-5Zr-15Cu-15Ni, Ti-10Zr-15Cu-15Ni, Ti-15Zr-15Cu-15Ni and Ti-25Zr-15Cu-15Ni, were fabricated by electric arc melting method, and the four kinds of filler metals were used for vacuum brazing of Ti-6Al-4V plate lap joints. The melting characteristic and wet...
Aircraft fuel measurement sensor optimal layout technology
YUAN Mei, HE Yiqiang, DONG Shaopeng, NIU Ben
2015, 41(11): 2036-2043. doi: 10.13700/j.bh.1001-5965.2014.0745
Abstract:
It is very important for aircraft flight safety to accurately measure the remaining fuel in each fuel tank in real time. An aircraft fuel measurement sensor optimal layout method based on particle swarm optimization (PSO) was designed to improve aircraft fuel measurement accuracy. Firstly, the conce...
Calculation of the astronauts' radiation dose from galactic cosmic ray
ZHANG Binquan, YU Qinglong, LIANG Jinbao, SUN Yueqiang, YANG Chuibai, ZHANG Shenyi
2015, 41(11): 2044-2051. doi: 10.13700/j.bh.1001-5965.2014.0712
Abstract:
Radiation risk of astronauts during the flight in low earth orbit (LEO) and deep space exploration is mainly from the exposure of galactic cosmic ray (GCR). The radiation dose from GCR is the basis for the assessment of astronauts' radiation risk. In 2013, a new estimation method for the assessment ...
Analysis and test research on influencing factors of drilling and coring quantity of lunar soil simulant
QUAN Qiquan, SHI Xiaomeng, TANG Dewei, JIANG Shengyuan, DENG Zongquan
2015, 41(11): 2052-2060. doi: 10.13700/j.bh.1001-5965.2014.0782
Abstract:
During the design of drilling and coring mechanism for lunar exploration, a coring method based on a flexible tube can obtain slim continuous sample core, which enables high coring rate and preserves the stratification information of the subsurface samples. Since the complex movement of lunar soil p...
Inverse heat conduction problem for transient external heat flux inversion of spacecraft on orbit
SONG Xin, ZHANG Youwei, LIU Zijun
2015, 41(11): 2061-2066. doi: 10.13700/j.bh.1001-5965.2014.0719
Abstract:
Spacecraft external heat flux is very important for researching deterioration law of thermal control coating on orbit, influence of various spatial factors on thermal control products, as well as plume thermal effect of spacecraft attitude and orbit control engine. However, there are many difficulti...
IMA application development based on Harmony system engineering
XU Wen, XIONG Zhiyong, ZHANG Guoquan
2015, 41(11): 2067-2077. doi: 10.13700/j.bh.1001-5965.2014.0741
Abstract:
Integration modular avionics (IMA) system application development with Harmony system engineering (SE) modeling method was introduced, Rhapsody was used as the system design tool with Harmony profile to create a software model based on the IMA application requirements, and the system use case diagra...
Wing rock motion induced by forebody asymmetric vortices in pitch-up
XU Siwen, DENG Xueying, WANG Yankui
2015, 41(11): 2078-2084. doi: 10.13700/j.bh.1001-5965.2014.0707
Abstract:
Aiming to the issue that the angle of attack was usually fixed rather than pitched-up in the previous researches about the wing rock induced by forebody asymmetric vortices, series of wind tunnel experiments were conducted in Beihang University D4 wind tunnel over the configuration of a pointed ogiv...
LADRC-based attitude decoupling control for helicopter and parameters tuning
WU Chao, WANG Haowen, JIANG Chen, ZHANG Yuwen, NI Xianping
2015, 41(11): 2085-2094. doi: 10.13700/j.bh.1001-5965.2014.0710
Abstract:
To meet the ADS-33E-PRF flight quality and effectively overcome the influence of external disturbance, an attitude control strategy based on a linear active disturbance rejection control (LADRC) is proposed for helicopter. Flight dynamics model of UH-60A and the wind model were established. UH-60A w...
Sliding mode guidance law for KKV based on collision course
YANG Xu, ZHANG Jiao, LIU Yuanxiang
2015, 41(11): 2095-2102. doi: 10.13700/j.bh.1001-5965.2014.0728
Abstract:
Aimed at the problem of exoatmospheric kinetic kill vehicle(KKV) guidance law design for intercepting targets, a novel missile sliding mode guidance law with nonlinear disturbance observer (NDO) was derived base on collision course. Through steering angle of attack of missile, the direction of veloc...
Design and comparative analysis of multistage compression cone-derived waverider and osculating cone waverider
LYU Zhenjun, WANG Jiangfeng
2015, 41(11): 2103-2109. doi: 10.13700/j.bh.1001-5965.2014.0740
Abstract:
As a forebody of hypersonic vehicle which was powered by air-breathing scramjet, waverider not only showed its excellent aerodynamic performance, but also played the role of pre-compression to incoming flow for hypersonic vehicle. In order to further enhance the waverider forebody's pre-compression ...
Device design and implementation method of lunar soil simulant vacuum test
ZHANG Tao, AN Yinghe, DING Xilun
2015, 41(11): 2110-2115. doi: 10.13700/j.bh.1001-5965.2014.0753
Abstract:
Drilling sample of lunar soil over depth of 2 m is the most important object of the third stage of China's lunar exploration project. For performance test and security validation of the drilling process, it is necessary to simulate a vacuum thermal environment which is close to lunar surface and the...
Coordinated standoff target tracking using two UAVs with only bearing measurement
ZHU Qian, ZHOU Rui, DONG Zhuoning, LI Hao
2015, 41(11): 2116-2123. doi: 10.13700/j.bh.1001-5965.2014.0716
Abstract:
A novel method for a random moving target coordinated standoff tracking was proposed to maximize the target position estimation precision by two unmanned aerial vehicles (UAVs) equipped with only bearing sensor. The analytical relationship model between the UAV observation geometry configuration and...
Fault diagnosis method based on extension case-based reasoning
WEN Tianzhu, XU Aiqiang, SUN Weichao
2015, 41(11): 2124-2130. doi: 10.13700/j.bh.1001-5965.2014.0736
Abstract:
Extension case-based reasoning is a kind of knowledge reasoning method which is the combination of the extenics and case-based reasoning. Firstly, the representation of extension case using compound element was introduced, and the similarity computing method of fault symptom with interval value was ...
Adaptive decoupling control of a MIMO system based on fuzzy neural networks
BAI Chen, FAN Yao, REN Zhang, YANG Peng
2015, 41(11): 2131-2136. doi: 10.13700/j.bh.1001-5965.2014.0758
Abstract:
According to the control problem of a class of uncertain multiple-input multiple-output (MIMO) nonlinear systems, an adaptive decoupling control approach based on fuzzy neural networks was proposed. Firstly, a sub-channel decoupling control law of MIMO nonlinear systems was designed using decentrali...
Strategy of removing space debris using ground-based lasers
WANG Chenglin, ZHANG Yan, WANG Kunpeng
2015, 41(11): 2137-2143. doi: 10.13700/j.bh.1001-5965.2014.0696
Abstract:
The removal strategy of space debris is one of the most key technologies to achieve the goal of clearing space debris in a wide range of sizes from 1 to 10 cm actively using ground-based lasers. In order to develop an effective strategy for removing space debris, we firstly studied on the influences...
Analysis of transient vibration of single-thick-disk rotor crossing two orders of critical speeds
LIU Zheng, WANG Jianjun
2015, 41(11): 2144-2157. doi: 10.13700/j.bh.1001-5965.2014.0699
Abstract:
The special structure of drum type compressor of aero-engine, which can be simplified as a thick-disk rotor system whose radial moment of inertia is greater than the axial one, has two inherent frequencies when whirling forward. Transient response to unbalance exciting force of single, thick-disk ro...
Preparation of layered MoS2/Graphene films and their electrocatalytic performance of hydrogen generation
YANG Yang, XU Di, WU Qingyong, XIANG Min, DIAO Peng
2015, 41(11): 2158-2165. doi: 10.13700/j.bh.1001-5965.2014.0709
Abstract:
MoS2/Graphene electrocatalysts which were used for water-electrolytic hydrogen making were synthesized using a hydrothermal method among which NH2CSNH2(thiourea) was served as both the source of sulfur and the reductive agent. MoS2/Graphene films prepared on fluorine-doped tin oxide (FTO) by spin co...
Algorithm based-on dynamic Bayesian networks for repairable GO methodology model
FAN Dongming, REN Yi, LIU Linlin, LIU Shuzheng, FAN Jian, WANG Zili
2015, 41(11): 2166-2176. doi: 10.13700/j.bh.1001-5965.2014.0767
Abstract:
GO methodology was an effective method of evaluating the reliability and the security of complex systems. Besides the capability to describe the sequence characteristics of multi-states, GO methodology was also capable of expressing complex dynamic repair behavior of the systems. For GO methodology ...
Effect of attack angle on stability and transition in a swept-wing boundary layer
JING Zhenrong, SUN Pengpeng, HUANG Zhangfeng
2015, 41(11): 2177-2183. doi: 10.13700/j.bh.1001-5965.2014.0769
Abstract:
Attack angle is one of the key parameters to the cross-flow instability of swept-wing boundary layers. For swept NACA0012 airfoil with infinite spanwise length, the basic flow field was calculated by solving the three-dimensional compressible Navier-Stokes equations numerically, the neutral curve an...
Roll maneuver control of robotic fish propelled by oscillating pectoral fins
GONG Zhao, CAI Yueri, BI Shusheng, MA Hongwei
2015, 41(11): 2184-2190. doi: 10.13700/j.bh.1001-5965.2014.0748
Abstract:
Based on the practical requirements on the research of the roll maneuver control of robotic fish propelled by oscillating pectoral fins, a central pattern generator (CPG) based fuzzy control method was presented. Pectoral fins oscillating disciplines which drive the robotic fish roll were obtained b...